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Timing cover shape - engine specs
https://www.ukbeg.com/forum/viewtopic.php?f=8&t=23838		 Page 1 of 1
Author:  Galli [ 22 May 2019 10:20 ]
Post subject:  Timing cover shape - engine specs
Hi All,
just looking around for a newer XB12 (2007 on ) and I'm noticing that the timing cover on some models is round while on others it is more oval.
Just wondering if there are major differences between the two engines and if there is anything specific I should be looking out for.
Thanks for any hints and tips !

Kev.
Author:  Finmows [ 22 May 2019 10:42 ]
Post subject:  Re: Timing cover shape - engine specs
Wonderful introduction
Welcome to the site
Author:  Jazzbutcher [ 22 May 2019 12:17 ]
Post subject:  Re: Timing cover shape - engine specs
Galli wrote:
Hi All,
just looking around for a newer XB12 (2007 on ) and I'm noticing that the timing cover on some models is round while on others it is more oval.
Just wondering if there are major differences between the two engines and if there is anything specific I should be looking out for.
Thanks for any hints and tips !

Kev.


Talk to Maz :maz:

If possible get him to look round it, it would be worth hiring him for a day for him to look round any future purchase if he was up for that. He doesn't miss anything and it will save you loads in the long run if you're intending to keep it. Maybe even just pics so he can cast his eye over it for you, you won't regret it & it'll introduce you to Maz.
Otherwise buy one off someone on here, you won't get burned that way, that'd probably be your best bet.
All the best in you quest & welcome to the forum.
Author:  Nutah [ 22 May 2019 15:15 ]
Post subject:  Re: Timing cover shape - engine specs
the round type is the earlier version
the later model the more oval type.
IIRC the later model has smaller dia. exhaust headers

can't remember other differences TBH :old:
Author:  barney [ 22 May 2019 21:13 ]
Post subject:  Re: Timing cover shape - engine specs
:yt: and a front lambda sensor ,
oil / lubrication system different as is crank pin diameters .
some very late one 's ??? have a 3 bearing rear wheel
Author:  Kiwi [ 22 May 2019 22:15 ]
Post subject:  Re: Timing cover shape - engine specs
Not really engine but... all oval uly can go ULEZ free. Most round covers have to pay :|
Author:  barney [ 23 May 2019 07:29 ]
Post subject:  Re: Timing cover shape - engine specs
I think the oval cover model have a cat in the exhaust
Author:  Adam [ 23 May 2019 12:04 ]
Post subject:  Re: Timing cover shape - engine specs
barney wrote:
I think the oval cover model have a cat in the exhaust


I'm phoning the RSPCA :shock:
Author:  Finmows [ 23 May 2019 13:02 ]
Post subject:  Re: Timing cover shape - engine specs
Adam wrote:
barney wrote:
I think the oval cover model have a cat in the exhaust


I'm phoning the RSPCA :shock:

:rotfl: :potm:
Author:  Nutah [ 23 May 2019 16:09 ]
Post subject:  Re: Timing cover shape - engine specs
:rotfl: :worthy:
Author:  Kiwi [ 23 May 2019 19:23 ]
Post subject:  Re: Timing cover shape - engine specs
:rotfl: :rotfl:
Author:  barney [ 23 May 2019 20:13 ]
Post subject:  Re: Timing cover shape - engine specs
Adam wrote:
barney wrote:
I think the oval cover model have a cat in the exhaust


I'm phoning the RSPCA :shock:

is that the Really Special Pensioner Carers Agency :ner:
Author:  pash [ 24 May 2019 08:31 ]
Post subject:  Re: Timing cover shape - engine specs
barney wrote:
:yt: and a front lambda sensor ,
oil / lubrication system different as is crank pin diameters .
some very late one 's ??? have a 3 bearing rear wheel


Only 2010 models had the front lambda sensor and 3 bearing rear wheel.

2008 onwards (oval ‘timing cover’) are down on power compared to earlier models and are more sluggish, partly because of the catalytic converter and smaller headers (which the US models didn’t have). Buell appear to have started the fuel maps etc. in the ECM then gave up. There are significant gains to be had in that respect. The rest of the control system can be problematic, Uly’s suffer from broken ECMs, active intake control motors are known to fail, probably no worse than earlier models but the system is more complicated to start with.

If it was my dollar I’d buy a 2006 model, not least because the TPS is common with earlier models and Fords etc. (TPS changed on 07 but 08/09/10 are common with BMW Z3).
Author:  Adam [ 24 May 2019 10:41 ]
Post subject:  Re: Timing cover shape - engine specs
barney wrote:
Adam wrote:
barney wrote:
I think the oval cover model have a cat in the exhaust


I'm phoning the RSPCA :shock:

is that the Really Special Pensioner Carers Agency :ner:



:rotfl:
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